Shoe safety device



FIG. 1 is a perspective view of a shoe safety device; and

FIG. 2 is a perspective view of a men's shoe fastened with a shoe safety device; and,

FIG. 3 is a perspective view of a woman's shoe fastened with a shoe safety device.

The broken line showing of a portion of a shoe is for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for a shoe safety device, as shown and described. 